AC

rodwilk · 04-10-2008, 01:46 PM

My A/c is now blowing warm air. is this a sign of a bigger problem or just needing freon?

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MarcusF · 04-10-2008, 03:18 PM

Maybe. Maybe not.

Is the EC light on?

What are the HVAC diagnostic readings (REST feature of the AC controller)? If you're not sure what I'm talking about, go to the Signal to Noise website, select AC Diagnostics Pt1 on the left, and follow the instructions. Post the first 8 readings from your car.

riannausa · 04-11-2008, 01:43 AM

My AC is doing the opposite of everything when i want it hot is gets cold when i want it cold it gets warm????? is it my switch??? or a bigger problem??? PLease advice!!!

04-10-2008, 03:18 PM	#2
MarcusF MBWorld Fanatic! Garage is empty, add now Join Date: Apr 2005 Location: SCV SoCal Posts: 3,006 Drives: 2002 CLK430	Maybe. Maybe not. Is the EC light on? What are the HVAC diagnostic readings (REST feature of the AC controller)? If you're not sure what I'm talking about, go to the Signal to Noise website, select AC Diagnostics Pt1 on the left, and follow the instructions. Post the first 8 readings from your car. __________________ Mercedes-Benz Performance and Specifications ♦ Signal to Noise Los Angeles Section of the Mercedes-Benz Club of America ♦ Orange County Section of the Mercedes-Benz Club of America

04-11-2008, 01:43 AM	#3
riannausa Member Garage is empty, add now Join Date: Nov 2004 Location: Cali Posts: 234 Drives: 2001 CLK430 & 2007 350Z	Ok My AC is doing the opposite of everything when i want it hot is gets cold when i want it cold it gets warm????? is it my switch??? or a bigger problem??? PLease advice!!! __________________ Mb SL500 LOVER

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